Appearance
Much larger than the female, the male Amazonian umbrellabird is likely the largest passerine in South America as well as the largest suboscine passerine in the world. The male Amazonian umbrellabird grows to a weight of 480–571 grams and a length of 48–55 centimetres.The female averages 41–44 centimetres and weighs up to 380 grams. As in the other umbrellabirds, the Amazonian umbrellabird is almost entirely black, has a conspicuous crest on the top of their head, and an inflatable wattle on the neck, which serves to amplify their loud, booming calls.
This species has pale eyes, whereas in other umbrellabirds the eye is black. The undulating flying method of this species is considered quite woodpecker-like, with the lack of white on the umbrellabird’s plumage distinguishing it from large woodpeckers it co-exists with.
Distribution
This species occurs in two main populations: One found in woodland and forest, mainly near rivers, in the Amazon basin, and a second found in forested foothills of the eastern Andes. The Amazonian umbrellabird is found variously in small groups, pairs or individually. They are usually seen in or near the canopy but due to their wary behavior and scarcity at open spots they are easily missed for a bird of this size. They are heard in the field more often than they are seen. Fruit and berries are usually preferred but insects, spiders and insect larvae are eaten opportunistically.
Behavior
The Amazonian umbrellabird is usually seen flying only across openings in the forest, such as over rivers, and usually boldly hops branch to branch while in trees.It forages singly, in pairs or in small groups, in the forest canopy, hopping from branch to branch, but is a secretive species and is more often heard than seen.
Food
The Amazonian umbrellabird feeds on fruit and berries, and may opportunistically take insects and spiders.References:
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